EP0577832A1 - Antennes fendues plates - Google Patents

Antennes fendues plates Download PDF

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Publication number
EP0577832A1
EP0577832A1 EP91907291A EP91907291A EP0577832A1 EP 0577832 A1 EP0577832 A1 EP 0577832A1 EP 91907291 A EP91907291 A EP 91907291A EP 91907291 A EP91907291 A EP 91907291A EP 0577832 A1 EP0577832 A1 EP 0577832A1
Authority
EP
European Patent Office
Prior art keywords
waveguide
antenna group
slot
slots
waveguides
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP91907291A
Other languages
German (de)
English (en)
Other versions
EP0577832A4 (en
Inventor
Alexandr Petrovich Kapitsyn
Vladimir Sergeevich Baev
Alexandr Iliich Khudysh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZAVOD "KRASNOE ZNAMYA"
Original Assignee
ZAVOD "KRASNOE ZNAMYA"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZAVOD "KRASNOE ZNAMYA" filed Critical ZAVOD "KRASNOE ZNAMYA"
Publication of EP0577832A1 publication Critical patent/EP0577832A1/fr
Publication of EP0577832A4 publication Critical patent/EP0577832A4/ru
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/064—Two dimensional planar arrays using horn or slot aerials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0037—Particular feeding systems linear waveguide fed arrays

Definitions

  • the present invention relates to radio, UHF technology, antenna systems with antenna cables and, in particular, relates to an area slot antenna group.
  • antennas compatible with the modern radio-electronic device in microelectronic design, which have an efficiency of over 0.7 with a size of the aperture in the free space within 15 to 30 wavelengths and with an operating frequency range of at least Have 10%.
  • these antennas must have a simple construction, low mass and thickness, a high degree of manufacturing suitability and reproducibility of dimensions and parameters.
  • This slot antenna group contains an insulating substrate with wide slots or windows which are connected to a waveguide feed line network formed by ribbon cables.
  • slot antenna group Since such a slot antenna group is implemented in printed circuit, it is suitable for production, has small mass and thickness, simple construction, high reproducibility of dimensions and parameters.
  • the given antenna group is characterized by relatively high losses in the waveguide feed line network, and with an aperture size within 15 to 30 wavelengths in free space and with an operating frequency range of at least 10%, its efficiency does not exceed 0.6.
  • the waveguide feed line network of this antenna group is made up of ribbon cables that have moving losses in the range of 0.05 to 0.1 dB / cm.
  • waveguide slot antenna array made of waveguides (DI Woskresensky et. Al. "Antenny i ustroistwa SWT.ggiirowanie fazirowannykh antennykh reshetok", 1981, publisher "Radio i svyz” (Moscow), pp. 126 to 128 known.
  • the waveguide slot radiators and the waveguide feed line network are made of hollow metal waveguides.
  • Such a slot antenna group is highly efficient under the conditions mentioned because the losses in the waveguide slot radiators and the waveguide feed line network are minimal and do not exceed 0.001 dB / cm.
  • the antenna group is not intended for production, because its manufacture provides for a large amount of non-progressive mechanical assembly work which does not result in the required reproducibility of the dimensions and parameters of the antenna group.
  • the use of the hollow metal waveguide has the consequence that the antenna group has a large mass, thickness and a high metal expenditure.
  • Each waveguide slot radiator is formed by mounting a plate, which is made of a sheet with radiation slots made therein and serves as a front bulkhead of this radiator, with the base in which as a waveguide of each waveguide slot radiator, a rectangular groove to form two narrow walls and one Back wide wall of this waveguide slot radiator is executed.
  • the waveguide feed line network is made up of hollow metal waveguides.
  • Such a flat slot antenna group is highly efficient under the conditions mentioned because the losses in the waveguides of the waveguide slot radiators and in the waveguides of the waveguide feed line network are minimal.
  • such an antenna group has a greater mass and thickness than the antenna groups in printed circuit. This is essentially due to the fact that a metal base for the waveguide of the waveguide slot radiators, which has a large mass and thickness, is used in the construction of the given group, and the use of a waveguide feed line network made of metal waveguides increases the mass and thickness of this antenna group even more .
  • the invention has for its object to provide a flat slot antenna group in which a simple and reliable construction, small thickness and mass, a high level of manufacturing reliability for this antenna group are ensured by a design change in the waveguide slot radiators while maintaining high efficiency in a wide frequency range .
  • the area slot antenna group which has a series of waveguide slot radiators with a rear wall and a front bulkhead, in each of which exciter coupling slots and radiation slots are made and which are located in the respective two parallel planes, and a waveguide feed line network has, the waveguide power distributor and feed waveguide, the channels of which are connected to the excitation coupling slots, according to the invention, the waveguide slot radiator tape line waveguide, which are a common insulating substrate included, the back of which is coated with a metallization layer, which acts as a common back-wide wall of the waveguide slot radiators, each end-wide wall of which is a ribbon cable of alternating wide and narrow sections, which is produced on the end face of the insulating substrate.
  • the construction of the waveguide slot radiators is fundamentally a printed insulating substrate, on one side of which a row of end broad walls of printed ribbon cable waveguide slot radiators in the form of ribbon cables made of alternating wide and narrow sections and on the other side of which a common back Broad wall of this stripline waveguide slot radiator is generated in the form of a metallization layer.
  • the waveguide slot radiators are designed in the form of a unitary component - an insulating substrate with end broad walls of the printed waveguide slot radiators on one side and a thin metalization layer on the other.
  • the thickness and the mass of such a component are small, its construction is simple and safe.
  • the antenna group has a small mass and thickness, its construction is simple and reliable.
  • the surface slot antenna group under consideration has a high efficiency of over 0.7 with a size of the aperture that moves in free space within limits of 15 to 30 wavelengths and with an operating frequency range of at least 10%. This is due to the fact that the waveguide slot radiators of this antenna group are made up of ribbon waveguides, which are actually rectangular waveguides, which have a dielectric are filled, from which the substrate is made, and the losses in such band line waveguides are within limits of 0.2 to 0.03 dB / cm and reduce the efficiency of the antenna group insignificantly.
  • the waveguide feed line network prefferably be arranged on the metallization layer, which is a common broad wall of the feed waveguide and the waveguide power distributor.
  • the waveguide feed line network contains a base in which rectangular grooves are made, the surfaces of which form channels of the waveguide feed line network with the surface of the metallization layer.
  • Such a construction makes it possible to obtain rectangular waveguides on the base of the waveguide feed line network, on which feed waveguides and waveguide power distributors in the form of, for example, H waveguides can be easily implemented, which enables all waveguides of the waveguide feed line network to be installed in the base same level, which in turn reduces the thickness of the antenna group.
  • the longitudinal axes of the ribbon cable waveguides are parallel and the distance between the longitudinal axes of the adjacent ribbon cable waveguides is smaller than the wavelength in free space at the highest frequency and greater than the sum of 1/12 of this wavelength and the transverse dimension of the broad one Section of the ribbon cable is.
  • each exciter coupling slot vary within a range of approximately 0.8 to approximately 1.0 of the transverse dimension of the narrow section of the ribbon cable.
  • the design of the length of each slot below 0.8 the transverse dimension of the narrow section of the ribbon line does not allow sufficient coupling to be achieved between the waveguide slot radiators made of ribbon line waveguides and the feed waveguides of the waveguide feed line network.
  • making the length of each slot above 1.0 the transverse dimension causes parasitic radiation from the ribbon cable waveguide, which causes losses and reduces the efficiency of this antenna group.
  • This antenna group contains a series of waveguide slot radiators 1 (FIG. 1), each of which represents a ribbon cable waveguide 1a, which consists of an insulating substrate 2, the back of which is covered with a metallization layer 3 (FIG. 2), which is common Rear wide wall 5a of the waveguide slot radiator 1 acts.
  • a series of ribbon cables 5 are produced, each of which represents a broad end wall 5a of the waveguide slot radiator 1 and composed of alternating narrow sections 6 and wide sections 7 is composed.
  • Radiation slots 8 are provided in the front wide wall 5a of the waveguide slot radiator 1 and excitation coupling slots 9 in the common rear wide wall 3a (FIG. 2).
  • the common rear wide wall 3a and the front wide walls 5a of the waveguide slot radiators 1 lie in parallel planes.
  • a waveguide feed line network 10 which represents a base 11 in which rectangular grooves 12 are embodied, the surfaces of which form channels 12a of feed waveguides 13 and waveguide power distributors 14 in the form of H waveguides with the surface of the metallization layer 3 are trained.
  • the metallization layer 3 occurs as a wide wall 3a of the feed waveguide 13 and the waveguide power distributor 14.
  • each excitation coupling slot 9 is within the limits of approximately 0.8 to approximately 1.0 of the transverse dimension W 1 (FIG. 1) of the narrow section 6 of the ribbon cable 5.
  • the longitudinal axes OO of the ribbon cable waveguide 1 a are parallel to one another , and the distance d between the longitudinal axes O1-O1 of the adjacent stripline waveguide 1a is smaller than the wavelength in free space at the highest frequency and greater than the sum of 1/12 of this wavelength and the transverse dimension W2 of the wide section 7 of the stripline 5.
  • the number of waveguide slot radiators 1, the radiation slots 8, the feed waveguide 13 and the waveguide power distributor 14 is selected depending on the required size of the aperture D of the antenna group and on the operating frequency range.
  • the antenna group works as follows.
  • the signal received by the antenna group via the radiation slots 8 reaches each waveguide slot radiator 1 and spreads in the direction of the longitudinal axis O1-O1 of the ribbon waveguide 1a in the form of a wave, the type of which is close to the H type.
  • the alternating narrow and wide sections 6 and 7 of the ribbon cable 5 form an end bulkhead 5a of the ribbon cable waveguide 1a.
  • the narrow walls are missing as components of the construction, the fulfillment of zero boundary conditions for the electric field Ey in the planes which are at a distance from the longitudinal axis O1-O1 of the ribbon cable waveguide 1a, which is approximately equal to half Width W1 of the narrow section 6 of the ribbon line 5 is, but creates conditions for the propagation of waveguide types in such a transmission line.
  • the waveguide slot radiator 1 from a ribbon cable waveguide has a topology of the radiation slots 8 and electrical characteristics that are close to the topology and the electrical characteristics of the waveguide slot radiator from a hollow metal waveguide with a width W 1 of the narrow sections 6 of the ribbon cables 5 the same dimension of the wide wall and one of the thickness h of the insulating substrate 2 is the same dimension of the narrow wall, which is filled with a dielectric from which the substrate 2 is made.
  • each waveguide slot radiator 1 from the stripline waveguides 1a which actually represents a resonance or non-resonance waveguide slot antenna group made of a rectangular waveguide, which is filled with a dielectric, pass through the excitation coupling slots 9 into the feed waveguides 13 and propagate through them in the waveguide power distributors 14, in which an in-phase addition of signals and the formation of an output signal take place.
  • the number of feed waveguides 13 and waveguide power distributors 14 in the antenna group is determined by the size D of the aperture and the required passband.
  • the flat slot antenna group which is designed according to the invention and is used for direct satellite television, has an efficiency of 0.75 and a gain factor of 32.9 dB in an operating frequency range from 10.9 to 375 ⁇ 375 mm in aperture and 8 mm in thickness 11.7 GHz, while with the dimensions 750 x 750 mm and the thickness of 30 mm, the antenna group of the same construction has an efficiency of 0.72 and a gain factor of 38.8 dB in the same frequency range.

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)

Abstract

Une antenne fendue plate comprend une pluralité de fentes rayonnantes guides d'ondes (1) ayant une large paroi postérieure et de larges parois frontales (5a) qui sont pourvues, respectivement, de fentes excitatrices de communication et de fentes rayonnantes (8) et qui sont situées, respectivement, sur deux plans parallèles. L'antenne fendue plate comprend en outre un réseau d'alimentation à guides d'ondes formé de distributeurs de puissance à guide d'ondes et de guides d'ondes d'alimentation dont les canaux sont connectés aux fentes excitatrices de communication. Les fentes rayonnantes guides d'ondes (1) constituent des guides d'ondes à bandes (1a) qui comprennent une couche diélectrique inférieure commune (2) dont le côté postérieur est recouvert d'une couche métallisée qui sert de large paroi postérieure commune des fentes rayonnantes guides d'ondes (1) dont les larges parois antérieures (5a) sont formées de bandes (5) ayant des sections (6, 7) alternativement étroites et larges, situées sur la face antérieure (4) de la couche diélectrique inférieure (2).
EP9191907291A 1990-11-29 1991-03-25 Flat slot array Ceased EP0577832A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SU904887266A RU2024129C1 (ru) 1990-11-29 1990-11-29 Плоская щелевая антенная решетка
PCT/SU1991/000048 WO1992016982A1 (fr) 1990-11-29 1991-03-25 Antennes fendues plates
CA002106998A CA2106998A1 (fr) 1990-11-29 1991-03-25 Antenne a fentes planar

Publications (2)

Publication Number Publication Date
EP0577832A1 true EP0577832A1 (fr) 1994-01-12
EP0577832A4 EP0577832A4 (en) 1994-08-24

Family

ID=27169610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP9191907291A Ceased EP0577832A4 (en) 1990-11-29 1991-03-25 Flat slot array

Country Status (5)

Country Link
EP (1) EP0577832A4 (fr)
CA (1) CA2106998A1 (fr)
FI (1) FI934188A7 (fr)
RU (1) RU2024129C1 (fr)
WO (1) WO1992016982A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2236729C1 (ru) * 2003-02-04 2004-09-20 Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Исток" Моноимпульсное антенное устройство
RU2276437C2 (ru) * 2004-08-06 2006-05-10 Закрытое акционерное общество "ВЫСОКИЕ ТЕХНОЛОГИИ" Плоская антенная решетка (варианты)
RU2279741C2 (ru) * 2004-09-09 2006-07-10 Федеральное государственное унитарное предприятие "Государственный московский завод "Салют" Линейная антенна сверхвысокой частоты
RU2435260C2 (ru) * 2010-01-11 2011-11-27 Открытое акционерное общество "Концерн "Созвездие" Плоская антенна
RU2738758C1 (ru) * 2020-04-16 2020-12-16 Акционерное общество "Научно-производственная фирма "Микран" Гибридная система питания антенных решёток
RU2752282C1 (ru) * 2020-12-04 2021-07-26 Самсунг Электроникс Ко., Лтд. Проходная антенная решетка с бесконтактной структурой и однобитным управлением для формирования многолучевой диаграммы направленности

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2523376A1 (fr) * 1982-03-12 1983-09-16 Labo Electronique Physique Element rayonnant ou recepteur de signaux hyperfrequences a polarisations circulaires gauche et droite et antenne plane comprenant un reseau de tels elements juxtaposes
JPH0720008B2 (ja) * 1986-02-25 1995-03-06 松下電工株式会社 平面アンテナ
US4926189A (en) * 1988-05-10 1990-05-15 Communications Satellite Corporation High-gain single- and dual-polarized antennas employing gridded printed-circuit elements

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO9216982A1 *

Also Published As

Publication number Publication date
WO1992016982A1 (fr) 1992-10-01
FI934188A0 (fi) 1993-09-24
FI934188A7 (fi) 1993-09-24
EP0577832A4 (en) 1994-08-24
CA2106998A1 (fr) 1992-09-26
RU2024129C1 (ru) 1994-11-30

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